Institution: | (1) Department of Regional Policy, Takasaki City University of Economics, Kaminamie-machi 1300, Takasaki Gumma, 370-0801, Japan;(2) Institute of Developing Economies, Wakaba 3-2-2, Mihama-ku, Chiba-shi Chiba, 261-8545, Japan;(3) Faculty of Economics, University of Tokyo, Hongo 7-3-1, Bunkyo-ku Tokyo, 113-0033, Japan |